CN206449632U - First-stage firing chamber for vehicle-mounted heater - Google Patents

Abstract

The utility model is a kind of first-stage firing chamber for vehicle-mounted heater, is characterized in：It includes burning barrel shell, the burning barrel shell is flanged goblet, hypanthial its bottom of burning barrel shell sets eccentric orfice, combustion barrel is placed in burning barrel shell and is connected, the through hole of combustion barrel bottom is corresponding with the eccentric orfice that burning barrel shell is set, the eccentric through-hole of composition connection, flow regulating barrels are placed between burning barrel shell and combustion barrel, are enclosed on outside combustion barrel and are connected, and distribution plate is placed in interior burning barrel shell, the oral area of flow regulating barrels, is socketed on combustion barrel and is connected.When using, combustion barrel is placed in burning barrel shell, the through hole that combustion barrel bottom is set is corresponding with the eccentric orfice that burning barrel shell is set and is connected with burning barrel shell, flow regulating barrels are enclosed on combustion barrel again, the openend of flow regulating barrels is connected with burning barrel shell, then distribution plate is placed in burning barrel shell, be socketed on combustion barrel, and contacted with flow regulating barrels, distribution plate is connected with burning barrel shell and combustion barrel respectively.

Description

First-stage firing chamber for vehicle-mounted heater

Technical field

The utility model is related to vehicle-mounted heater, is a kind of first-stage firing chamber for vehicle-mounted heater.

Background technology

Vehicle-mounted heater is independently of the Vehicular heating device of automobile engine, have the fuel oil of their own, pipeline, circuit, Burning heater and control device, combustion-chamber assembly is as the core component of vehicle-mounted heater, and the height of heat conversion is direct Influence the using effect of vehicle-mounted heater.Combustion-chamber assembly is made up of first-stage firing chamber and secondary combustion chamber, in single-stage combustion room Provided with distribution plate and combustion barrel, after fuel-air mixture is ignited in the combustion barrel of first-stage firing chamber, by first-stage firing chamber and two The through hole that level bottom of combustion chamber is set enters secondary combustion chamber and completes burning.The vehicle-mounted heater generally existing of prior art is different The not thorough problem of the burning of degree, causes first-stage firing chamber and secondary combustion chamber using carbon distribution is easily produced, to reduce heat for a long time Conversion ratio.The reason is that the first-stage firing chamber of prior art is set in symmetrical or almost symmetry, combustion air fires into one-level Burn room, enter back into combustion barrel, mix with the fuel oil of gasification after form isobaric air-fuel mixture air mass, air-fuel mixture air mass is burning It is ignited while mobile in cylinder, burning is internally carried out from the surface of air-fuel mixture air mass, and combustion barrel limited length, oil gas Mixing air mass not yet burns completely has just moved out combustion barrel, that is, has moved out first-stage firing chamber, causes burning not thorough, one-level Combustion chamber and secondary combustion chamber produce carbon distribution.

The content of the invention

Technical problem to be solved in the utility model is：Overcome the shortcoming of prior art is used for vehicle-mounted add there is provided one kind The first-stage firing chamber of hot device, can be such that combustion air cutting redistributes into strips into first-stage firing chamber and produce pressure differential, enter And fuel oil of the combustion air with gasifying in combustion barrel is mixed to form the air-fuel mixture air mass with bigger pressure differential, oil gas is mixed Air mass is closed along burning barrel rotation, fuel oil flame is twist moved, and extends combustion path, thorough non-combusted fuels, it is to avoid one Level combustion chamber and secondary combustion chamber's carbon deposit, reduce energy resource consumption, improve heat conversion.

The utility model solve technical problem scheme be：A kind of first-stage firing chamber for vehicle-mounted heater, its feature It is：It includes burning barrel shell, combustion barrel, flow regulating barrels, distribution plate, and the burning barrel shell is flanged goblet, hypanthial Burn its bottom of barrel shell setting eccentric orfice, and the combustion barrel is placed in burning barrel shell and is connected, the through hole of combustion barrel bottom and combustion Burn the eccentric orfice that barrel shell sets corresponding, constitute the eccentric through-hole of connection, the flow regulating barrels be placed in burning barrel shell and combustion barrel it Between, be enclosed on that combustion barrel is outer and be connected, the distribution plate is placed in burning barrel shell, the oral area of flow regulating barrels, be socketed on combustion barrel simultaneously It is connected.

The combustion barrel is goblet, and hypanthial combustion barrel bottom sets through hole, and the side wall of through hole and combustion barrel is coaxial, First group of air vent, second group of air vent and the 3rd group of air vent are set gradually on the side wall of combustion barrel, by oral area to bottom, the One group of air vent, second group of air vent and the 3rd group of air vent are respectively generally aligned in the same plane.

First group of air vent is n A shapes hole, and n A shapes hole is distributed on the combustion barrel side wall outside central angle alpha scope, Central angle between adjacent A shapes hole for β=（360°-α）/（n-1）.

Second group of air vent is the B shapes hole of the first B shapes hole~the 6th set counterclockwise, and the first B shape hole positions are in first On the outside of individual A shapes hole, the central angle between the first B shapes hole and first A shapes hole is the B shapes holes of β/2, the one and the 2nd B shapes hole, second Central angle between B shapes hole and the 3rd B shapes hole, the 5th B shapes hole and the 6th B shapes hole is respectively β, the 4th B shapes hole and the 3rd B shapes Central angle between hole or the 5th B shapes hole is respectively 2 β.

The 3rd group of air vent is the C-shaped aperture of the first C-shaped aperture~the 4th set counterclockwise, the first C-shaped aperture and first A The home position in shape hole is identical, and the central angle of the second C-shaped aperture and the first C-shaped aperture is 2 β and the central angle of the 3rd C-shaped aperture is β, the The central angle of three C-shaped apertures and the 4th C-shaped aperture is 5 β.

α=60 °.

N=11.

The flow regulating barrels are the tubular body of axially open, and flow regulating barrels and combustion barrel are coaxial, be enclosed on outside combustion barrel, flow regulating barrels Axial open end is connected with burning barrel shell respectively.

The distribution plate is eccentric ring bodies, distribution plate outer surface is identical with burning barrel shell inwall, inner peripheral surface and The drum outer wall that burns is identical, the eccentric hole site phase of the eccentric position of the inner peripheral surface opposite peripheral faces of distribution plate and the barrel shell that burns Unanimously, central angle δ clockwise, the most narrow place of ring-type of distribution plate and the inner circumferential at the most narrow place of the ring-type of distribution plate and the inner peripheral surface center of circle Several the first ventilation slots are set between the central angle θ counterclockwise in the surface center of circle, and ring-type the widest part of distribution plate sets one the The notch of two ventilation slots, the first ventilation slot and the second ventilation slot is towards the inner circumferential center of circle.

δ=98 °.

θ=94 °.

The quantity of first ventilation slot is nine.

The beneficial effects of the utility model are that its combustion barrel, flow regulating barrels are in eccentric position, combustion barrel side wall with burning barrel shell On three groups of air vents set in uneven, the first ventilation slot and the second ventilation slot of distribution plate are in eccentric position and in not It is symmetrical arranged, when the combustion air for entering first-stage firing chamber by distribution plate enters between combustion barrel and flow regulating barrels, in burning Combustion air between cylinder and flow regulating barrels is not only cut into strip, and has produced pressure differential, then passes through combustion barrel side wall When three groups of air vents of upper uneven setting are entered in combustion barrel, combustion air is cut into more tiny strip again, so that Further increase the contact area of combustion air and fuel vapor and make to mix more uniform, being formed at burning barrel has more The strip air-fuel mixture air mass of big pressure differential and larger surface area, air-fuel mixture air mass is lighted along burning barrel rotation, igniter During fuel-air mixture, burning is internally carried out from the surface of air-fuel mixture air mass, the air-fuel mixture air mass with bigger pressure differential Vortex is produced while being ignited, flame is twist moved, extends combustion path, thoroughly burnt fuel oil, it is to avoid one Level combustion chamber and secondary firing produce carbon deposit, reduce energy resource consumption, improve heat conversion.In use, combustion barrel is placed in into burning In barrel shell, the through hole that combustion barrel bottom is set is corresponding with the eccentric orfice that burning barrel shell is set and is connected with burning barrel shell, then will Flow regulating barrels are enclosed on combustion barrel, and openend and the burning barrel shell of flow regulating barrels are connected, and then distribution plate is placed in burning barrel shell, covered It is connected on combustion barrel, and is contacted with flow regulating barrels, distribution plate is connected with burning barrel shell and combustion barrel respectively and constitutes first-stage firing chamber, The burning barrel shell bottom of first-stage firing chamber is contacted and is connected with the bottom of secondary combustion chamber, the bias of first-stage firing chamber bottom is led to Hole is corresponding with the eccentric orfice of secondary combustion chamber bottom, constitutes connection first-stage firing chamber and the passage of secondary combustion chamber, you can group Into the combustion-chamber assembly of vehicle-mounted heater, for vehicle-mounted heater.Show with simple in construction, with low cost, easy to process, effect The advantage of work.

Brief description of the drawings

Fig. 1 is the schematic front view for the first-stage firing chamber that the utility model is used for vehicle-mounted heater；

Fig. 2 is Fig. 1 schematic top plan view；

Fig. 3 is the schematic front view of the combustion barrel for the first-stage firing chamber that the utility model is used for vehicle-mounted heater；

Fig. 4 is Fig. 3 schematic top plan view；

Fig. 5 is Fig. 3 elevational schematic view；

Fig. 6 is Fig. 3 A-A schematic cross-sectional views；

Fig. 7 is Fig. 3 B-B schematic cross-sectional views；

Fig. 8 is Fig. 3 C-C schematic cross-sectional views；

Fig. 9 is the combustion barrel side wall expanded schematic diagram for the first-stage firing chamber that the utility model is used for vehicle-mounted heater；

Figure 10 is the structural representation of the distribution plate for the first-stage firing chamber that the utility model is used for vehicle-mounted heater.

In figure：1 distribution plate, 2 combustion barrels, 3 the 3rd groups of air vents, 4 second groups of air vents, 5 first groups of air vents, 6 is whole Flow cartridge, 7 burning barrel shells, 8 first ventilation slots, 9 second ventilation slots, 10 side walls, 11 through holes, 12 first A shapes holes, 14 the oneth B shapes Hole, 15 the 2nd B shapes holes, 16 the 3rd B shapes holes, 17 the 4th B shapes holes, 18 the 5th B shapes holes, 19 the 6th B shapes holes, 20 first C-shaped apertures, 21 Second C-shaped aperture, 22 the 3rd C-shaped apertures, 23 the 4th C-shaped apertures, 24 inner peripheral surfaces, 25 outer surfaces.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

Reference picture 1- Figure 10, a kind of vehicle-mounted heater first-stage firing chamber of the present embodiment, it includes burning barrel shell 7, burning Cylinder 2, flow regulating barrels 6, distribution plate 1, the burning barrel shell 7 is flanged goblet, and hypanthial its bottom of burning barrel shell 7 is set Eccentric orfice, the combustion barrel 2 is placed in burning barrel shell 7 and is connected, through hole 11 and the burning setting of barrel shell 7 of the bottom of combustion barrel 2 Eccentric orfice is corresponding, constitutes the eccentric through-hole of connection, and the flow regulating barrels 6 are placed between burning barrel shell 7 and combustion barrel 2, are enclosed on combustion Burn outside cylinder 2 and be connected, the distribution plate 1 is placed in interior burning barrel shell 7, the oral area of flow regulating barrels 6, is socketed on combustion barrel 2 and is connected.

The combustion barrel 2 is goblet, and the hypanthial bottom of combustion barrel 2 sets through hole 11, the side of through hole 11 and combustion barrel 2 Wall 10 is coaxial, and first group of air vent 5, second group of and of air vent 4 are set gradually on the side wall 10 of combustion barrel 2, by oral area to bottom 3rd group of air vent 3, first group of air vent 5, second group of air vent 4 and the 3rd group of air vent 3 are respectively generally aligned in the same plane.

First group of air vent 5 is 11 A shapes holes, and 11 A shapes holes are distributed on the combustion barrel outside the scope of central angle alpha=60 ° On 2 side walls 10, central angle between adjacent A shapes hole for β=（360°-60）/（11-1）=30°.

Second group of air vent 4 is the B shapes hole 19 of the first B shapes hole the 14~the 6th set counterclockwise, the first 14, B shapes hole In first A shapes hole 12 outside, the central angle between the first B shapes hole 14 and first A shapes hole 12 is β/2=15 °, the first B shapes hole Central angle between 14 and the 2nd B shapes hole 15, the 2nd B shapes hole 15 and the 3rd B shapes hole 16, the 5th B shapes hole 18 and the 6th B shapes hole 19 Be respectively β=30 °, central angle between the 4th B shapes hole 17 and the 3rd B shapes hole 16 or the 5th B shapes hole 18 respectively for 2 β= 60°。

The 3rd group of air vent 3 is the C-shaped aperture 23 of the first C-shaped aperture the 20~the 4th that sets counterclockwise, the first C-shaped aperture 20 with The home position in first A shapes hole 12 is identical, and the central angle of the second C-shaped aperture 21 and the first C-shaped aperture 20 is 2 β=60 ° and the 3rd C The central angle in shape hole 22 is β=30 °, and the central angle of the 3rd C-shaped aperture 22 and the 4th C-shaped aperture 23 is 5 β=150 °.

The flow regulating barrels 6 are the tubular body of axially open, and flow regulating barrels 6 and combustion barrel 2 are coaxial, be enclosed on outside combustion barrel 2, rectification The axial open end of cylinder 6 is connected with burning barrel shell 7 respectively.

The distribution plate 1 is eccentric ring bodies, and the outer surface 25 of distribution plate 1 is identical with the burning inwall of barrel shell 7, interior weekly form Face 24 is identical with the outer wall of combustion barrel 2, eccentric position and the burning barrel shell 7 of the opposite peripheral faces 25 of inner peripheral surface 24 of distribution plate 1 Eccentric hole site it is consistent, the most narrow place of ring-type of distribution plate 1 and central angle δ=98 ° clockwise in the center of circle of inner peripheral surface 24, point Nine the first ventilation slots 8 are set between the most narrow place of the ring-type with disk 1 and central angle θ=94 ° counterclockwise in the center of circle of inner peripheral surface 24, Ring-type the widest part of distribution plate 1 sets second ventilation slot 9, and the notch of the first ventilation slot 8 and the second ventilation slot 9 is towards inner circumferential The center of circle.

The present embodiment is manufactured using prior art.

The present embodiment is in use, combustion barrel 2 is placed in burning barrel shell 7, the through hole 11 that the bottom of combustion barrel 2 is set and burning The eccentric orfice that barrel shell 7 is set is corresponding and is connected with burning barrel shell 7, then flow regulating barrels 6 are enclosed on combustion barrel 2, flow regulating barrels 6 Openend is connected with burning barrel shell 7, and then distribution plate 1 is placed in burning barrel shell 7, is socketed on combustion barrel 2, and and flow regulating barrels 6 contacts, distribution plate 1 is connected with burning barrel shell 7 and combustion barrel 2 respectively and constitutes first-stage firing chamber, by the burning of first-stage firing chamber The bottom of barrel shell 7 contacts and is connected with the bottom of secondary combustion chamber, eccentric through-hole and the secondary combustion chamber bottom of first-stage firing chamber bottom The eccentric orfice in portion is corresponding, constitutes connection first-stage firing chamber and the passage of secondary combustion chamber, you can the combustion of composition vehicle-mounted heater Chamber component is burnt, for vehicle-mounted heater.With the significant advantage of simple in construction, with low cost, easy to process, effect.

Claims (7)

1. a kind of first-stage firing chamber for vehicle-mounted heater, it is characterized in that：It include burning barrel shell, combustion barrel, flow regulating barrels, point With disk, the burning barrel shell is flanged goblet, and hypanthial its bottom of burning barrel shell sets eccentric orfice, the combustion barrel It is placed in burning barrel shell and is connected, the through hole of combustion barrel bottom is corresponding with the eccentric orfice that burning barrel shell is set, and constitutes connection Eccentric through-hole, the flow regulating barrels are placed between burning barrel shell and combustion barrel, are enclosed on outside combustion barrel and are connected, and the distribution plate is placed in In burning barrel shell, the oral area of flow regulating barrels, it is socketed on combustion barrel and is connected.

2. the first-stage firing chamber for vehicle-mounted heater as described in claim 1, it is characterized in that：The combustion barrel is cup-shaped Body, hypanthial combustion barrel bottom sets through hole, and the side wall of through hole and combustion barrel is coaxial, on the side wall of combustion barrel, by oral area extremely Bottom sets gradually first group of air vent, second group of air vent and the 3rd group of air vent, first group of air vent, second group of air vent Respectively it is generally aligned in the same plane with the 3rd group of air vent.

3. it is used for the first-stage firing chamber of vehicle-mounted heater as claimed in claim 2, it is characterized in that：First group of air vent be N A shapes hole, n A shapes hole is distributed on the combustion barrel side wall outside the scope of central angle alpha=60 °, the center of circle between adjacent A shapes hole Angle be β=（360°-α）/（n-1）.

4. it is used for the first-stage firing chamber of vehicle-mounted heater as claimed in claim 2, it is characterized in that：Second group of air vent be The B shapes hole of the first B shapes hole set counterclockwise~the 6th, the first B shapes hole position is on the outside of first A shapes hole, the first B shapes hole and first Central angle between individual A shapes hole is the B shapes holes of β/2, the one and the 2nd B shapes hole, the 2nd B shapes hole and the 3rd B shapes hole, the 5th B shapes hole Central angle between the 6th B shapes hole is respectively β, the central angle between the 4th B shapes hole and the 3rd B shapes hole or the 5th B shapes hole It is respectively 2 β.

5. it is used for the first-stage firing chamber of vehicle-mounted heater as claimed in claim 2, it is characterized in that：The 3rd group of air vent be The C-shaped aperture of the first C-shaped aperture set counterclockwise~the 4th, the first C-shaped aperture is identical with the home position in first A shapes hole, the second C-shaped The central angle of hole and the first C-shaped aperture is 2 β and the central angle of the 3rd C-shaped aperture is β, the central angle of the 3rd C-shaped aperture and the 4th C-shaped aperture For 5 β.

6. the first-stage firing chamber for vehicle-mounted heater as described in claim 1, it is characterized in that：The flow regulating barrels is axially The tubular body of opening, flow regulating barrels and combustion barrel are coaxial, be enclosed on outside combustion barrel, the axial open ends of flow regulating barrels respectively with burning barrel shell It is connected.

7. the first-stage firing chamber for vehicle-mounted heater as described in claim 1, it is characterized in that：The distribution plate is bias Ring bodies, barrel shell inwall is identical, inner peripheral surface is identical with the drum outer wall that burns with burning for distribution plate outer surface, distribution plate it is interior The eccentric position of perimeter surface opposite peripheral faces with burn barrel shell eccentric hole site it is consistent, the most narrow place of ring-type of distribution plate with Central angle δ=98 ° clockwise in the inner peripheral surface center of circle, the most narrow place of ring-type of distribution plate and the center of circle counterclockwise in the inner peripheral surface center of circle Several the first ventilation slots are set between θ=94 ° of angle, and ring-type the widest part of distribution plate sets second ventilation slot, the first ventilation The notch of groove and the second ventilation slot is towards the inner circumferential center of circle.